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Finding the Fourth Proportional to 168,449.96, 232,459.36 and 91,968.39

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Solution

The fourth proportional to 168,449.96, 232,459.36 and 91,968.39 is: 126,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,449.96 : 232,459.36 = 91,968.39 : x
  2. Step 2: Convert to fraction form
    168,449.96/232,459.36 = 91,968.39/x
  3. Step 3: Cross multiply
    168,449.96x = 232,459.36 × 91,968.39
  4. Step 4: Simplify right side
    168,449.96x = 21,378,912,849.71
  5. Step 5: Solve for x
    x = 21,378,912,849.71/168,449.96
  6. Step 6: Final answer
    x = 126,915.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.